Home / 1,512,128,530.40-2,265,641,878.80-734,098,906.40

Finding the Fourth Proportional to 1,512,128,530.40, 2,265,641,878.80 and 734,098,906.40

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Solution

The fourth proportional to 1,512,128,530.40, 2,265,641,878.80 and 734,098,906.40 is: 1,099,909,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,128,530.40 : 2,265,641,878.80 = 734,098,906.40 : x
  2. Step 2: Convert to fraction form
    1,512,128,530.40/2,265,641,878.80 = 734,098,906.40/x
  3. Step 3: Cross multiply
    1,512,128,530.40x = 2,265,641,878.80 × 734,098,906.40
  4. Step 4: Simplify right side
    1,512,128,530.40x = 1,663,205,225,521,121,536
  5. Step 5: Solve for x
    x = 1,663,205,225,521,121,536/1,512,128,530.40
  6. Step 6: Final answer
    x = 1,099,909,956.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.